78139980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{434111}}^1$

素因数の和:434126

約数の個数: 36

約数和(自身を含む): 237025152

約数和(自身を除く): 158885172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 434111, 868222, 1302333, 1736444, 2170555, 2604666, 3906999, 4341110, 5209332, 6511665, 7813998, 8682220, 13023330, 15627996, 19534995, 26046660, 39069990, 78139980]

約数ペア:

[(1, 78139980), (2, 39069990), (3, 26046660), (4, 19534995), (5, 15627996), (6, 13023330), (9, 8682220), (10, 7813998), (12, 6511665), (15, 5209332), (18, 4341110), (20, 3906999), (30, 2604666), (36, 2170555), (45, 1736444), (60, 1302333), (90, 868222), (180, 434111)]